Szabolcs Katona
Infrastructure, identity and networks — and the software to fill the gaps.
- Role
- IT Specialist
- Currently
- Minta Gépgyártó Kft.
- Local time
- --:-- CET
- Proxmox
- Hyper-V
- Windows Server
- Linux
- Docker
- Active Directory
- Entra ID
- Intune
- Apple Business Manager
- Group Policy
- CrowdStrike
- BitDefender GravityZone
- Wazuh
- BitLocker
- WatchGuard Firebox
- Ubiquiti
- VLAN
- PRTG
- NinjaONE
- PDQ
- NetApp
- Synology NAS
- MSSQL
- DECT
- React Native
- C#
- Node.js
- Firebase
Now
Head of IT Infrastructure
Minta Gépgyártó Kft.
- Proxmox
- Hyper-V
- Active Directory
- Entra ID
- PRTG
- Wazuh
- Ubiquiti
Responsible for the whole estate with a team of three: virtualisation, directory, network, security and endpoints — and coordination with the group’s IT teams abroad.
- In IT since
- 2014
- Areas of practice
- 8
- Tools and technologies
- 33
- Rack cabinets
- 25
Projects
More projects
Selected work
- 0122 → 4physical servers into hosts
Virtualisation & compute
22 ageing physical servers turned into a four-host Proxmox cluster — moved without stopping production, and with a measurably smaller power bill.
- Proxmox
- Ceph
- Windows Server
- Linux
- 02640accounts in sync
Hybrid identity
On-premises Active Directory in sync with Entra ID, conditional access and Intune — with multi-factor sign-in on every single account.
- Active Directory
- Entra ID
- Intune
- Autopilot
- 0325rack cabinets
The physical network
25 rack cabinets recabled and labelled, 14 VLANs between production, office and guests, and doubled uplinks all the way to the firewall.
- Ubiquiti
- WatchGuard Firebox
- VLAN
- NetBox
Capabilities
Eight areas of the day-to-day — from the server room to the endpoint.
- 016 items
Fig. 01 Virtualisation & compute
Hypervisor clusters, templates and capacity — the machine room everything else runs on.
- physical hosts
- 15
- virtual machines
- ~40
- Proxmox
- Hyper-V
- Windows Server
- Linux
- Docker
- Blade servers
- 026 items
Fig. 02 Identity & directory
Who can reach what: on-premises directory, cloud accounts and device management in one plan.
- domain controllers
- 2
- Active Directory
- Entra ID
- Intune
- Apple Business Manager
- Group Policy
- Internal DNS
- 035 items
Fig. 03 Security
Layers that overlap, so one missed step is not also an incident.
- CrowdStrike
- BitDefender GravityZone
- Wazuh
- BitLocker
- WatchGuard Firebox
- 044 items
Fig. 04 Network
From cable to firewall: segmented, documented, and where the drawing says it is.
- rack cabinets
- 25
- Ubiquiti
- VLAN
- Fibre and copper cabling
- 25 rack cabinets
- 053 items
Fig. 05 Monitoring & ops
Knowing about a fault before the user does: monitoring, remote management and patching.
- PRTG
- NinjaONE
- PDQ
- 063 items
Fig. 06 Storage & data
Data that exists and can be restored — not merely saved somewhere.
- NetApp
- Synology NAS
- MSSQL
- 073 items
Fig. 07 Physical systems
Cameras, phones and printing: the part of IT you can touch.
- IP cameras
- ~150
- IP cameras
- DECT
- Paragon print management
- 084 items
Fig. 08 Software
Small tools for the gaps that boxed products do not reach.
- React Native
- C#
- Node.js
- Firebase
- The full listEvery tool, with its depth, in the CV
Track record
- 2011 — 20155 yearsStudy
BSc — Computer Engineering
Példa Műszaki Egyetem · Szeged
Networks, operating systems and distributed systems. Thesis: building a virtualised test lab automatically.
- Thesis graded excellent and adopted by the department’s lab
- C
- Linux
- Cisco IOS
- Python
- 2014 — 20163 yearsWork
IT Support Technician
Példa Informatikai Szolgáltató Kft. · Szeged
First-line support for three client companies: tickets, workstation installs and re-imaging, printers and network devices.
- ~450 tickets a month, 92% resolved on first contact
- Image-based installs: 40 minutes a machine instead of 3 hours
- Windows 10
- Active Directory
- WDS
- OTRS
- 2016 — 20194 yearsWork
System Administrator
Minta Logisztika Zrt. · Győr
Servers and network for three sites: Windows Server and Active Directory, backups, VPN between the warehouses, and the operations side of the ERP system.
- Site-to-site VPN across all three sites
- Backups rebuilt on the 3-2-1 rule, with a restore test every quarter
- Windows Server
- Hyper-V
- Veeam
- pfSense
- 2019 — 20213 yearsWork
Infrastructure Engineer
Acme Gyártástechnika Kft. · Kecskemét
Redesigning the plant’s virtualisation and network foundations: consolidating old physical servers, separating the production and office networks, monitoring.
- 22 physical servers consolidated into a 4-host Proxmox cluster
- The production network isolated with VLANs and firewall rules
- Proxmox
- Ubiquiti
- VLAN
- Zabbix
- 2021 — 20233 yearsWork
Senior Systems Administrator
Lorem Egészségügyi Központ · Budapest
Hardening a 400-workstation healthcare network: endpoint protection, encryption, access reviews, and the technical side of compliance audits.
- EDR rolled out to 400 endpoints in six weeks
- Full-disk encryption on every portable machine
- CrowdStrike
- BitLocker
- Intune
- Wazuh
- 2023 — 20253 yearsStudy
MSc — Cybersecurity (part-time)
Minta Tudományegyetem · Budapest
Incident response, security monitoring and risk analysis, alongside work. Dissertation: log analysis with an open-source SIEM for small and medium businesses.
- Wazuh
- Python
- ISO 27001
- 2023 — 20253 yearsWork
Cloud Infrastructure Engineer
Ipsum Pénzügyi Zrt. · Budapest
Hybrid identity and cloud device management: on-premises Active Directory in sync with Entra ID, Intune policies, conditional access, infrastructure as code.
- Multi-factor sign-in on every account, no exceptions
- A new machine goes from box to ready for work in 25 minutes
- Entra ID
- Intune
- Azure
- Terraform
- 2025 — present2 yearsWork
Head of IT Infrastructure
Minta Gépgyártó Kft. · Budapest
Responsible for the whole estate with a team of three: virtualisation, directory, network, security and endpoints — and coordination with the group’s IT teams abroad.
- 15 physical hosts, ~40 virtual machines, 25 rack cabinets
- A documented disaster-recovery plan, rehearsed every quarter
- Proxmox
- Hyper-V
- Active Directory
- Entra ID
- PRTG
- Wazuh
- Ubiquiti
Contact
Email, phone, LinkedIn — every channel on one page.





